—, on the deoxidation of the ferridcyanide of potassium, and the salts of the peroxide of iron, xlix, 203.

—, on ozone, a supposed cause of odor attending electrical discharges, xli, 44.

Schools for the poor in Italy, iii, 375.

—, Lancasterian, in France, iv, 199, 389.

—, see farther under [Education.]

Schoolcraft, H. R., native copper of Lake Superior, with a figure, iii, 201.

—, copper mine on Lake Superior, vii, 43.

—, lead mines of Missouri, with geological and miscellaneous notices, iii, 59.

—, on a petrified tree, near Lake Michigan, iv, 285.

—, memoir on a fossil tree, notices of, by John Adams, James Madison and Thomas Jefferson, v, 23, 25.